💻 Practical Exam: Composer & PHP Packages

⏱ Duration: 2–3 Hours

🎯 Objective: Test real-world Composer usage

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🟢 Section A: Setup (Basic – 10 Marks)

✅ Task 1:

• Create a new project folder: composer-exam
• Initialize Composer:

composer init

✅ Task 2:

• Install these packages:

composer require monolog/monolog
composer require guzzlehttp/guzzle
composer require phpmailer/phpmailer

👉 Evaluation:

• composer.json created ✔
• vendor/ folder exists ✔

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🟡 Section B: Logging System (20 Marks)

✅ Task:

Create a file: logger.php

👉 Requirements:

• Use Monolog
• Log messages into logs/app.log
• Add:
  • INFO → “User visited site”
  • WARNING → “Invalid login attempt”
  • ERROR → “System failure”

👉 Expected Skills:

• Autoload usage
• Package integration

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🟡 Section C: API Integration (20 Marks)

✅ Task:

Create api.php

👉 Requirements:

• Use Guzzle
• Fetch data from:

https://jsonplaceholder.typicode.com/users

👉 Output:

• Display:
  • Name
  • Email
• Show only first 3 users

👉 Bonus:

• Handle API error (try-catch)

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🟠 Section D: Email System (20 Marks)

✅ Task:

Create mail.php

👉 Requirements:

• Use PHPMailer
• Send test email

Fields:

• From: your_email@example.com
• To: test@example.com
• Subject: Test Mail
• Body: Hello from Composer

👉 Bonus:

• Use SMTP configuration

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🔴 Section E: Autoloading (15 Marks)

✅ Task:

Implement PSR-4 Autoloading

👉 Step 1: Update composer.json

{
  "autoload": {
    "psr-4": {
      "App\\": "src/"
    }
  }
}

👉 Step 2:

composer dump-autoload

👉 Step 3:
Create:

📁 src/User.php

namespace App;class User {
    public function getName() {
        return "Aditya";
    }
}

👉 Step 4:
Use it in index.php

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🔴 Section F: Mini Project (15 Marks)

✅ Build: Simple Contact Form System

👉 Requirements:

• HTML form:
  • Name
  • Email
  • Message
• On submit:
  • Log request (Monolog)
  • Send email (PHPMailer)

👉 Bonus:

• Validate inputs

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🧠 Section G: Debugging (Bonus – 10 Marks)

Scenario:

• Delete vendor/ folder

👉 Task:

• Restore project using Composer

✔ Expected command:

composer install

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📊 Marking Scheme

Section	Marks
Setup	10
Logging	20
API	20
Email	20
Autoloading	15
Mini Project	15
Bonus	10

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🎯 Evaluation Criteria

• ✔ Proper Composer usage
• ✔ Clean code
• ✔ Error handling
• ✔ File structure
• ✔ Real-world logic

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📁 Expected Folder Structure

composer-exam/
│
├── composer.json
├── vendor/
├── index.php
├── logger.php
├── api.php
├── mail.php
├── src/
│   └── User.php
├── logs/
│   └── app.log

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🚀 Pro-Level Challenge (Optional)

👉 Add:

• .env file for config
• Use vlucas/phpdotenv